在农机推广部门工作久了，会深深感到信息不灵所带来的困惑：搞推广不能选择最好的机型；搞研究不能从已有的产品中吸取教训，少走弯路，更可气的是，某一种产品明明已有单位研制成功了，自己却还要从头搞，浪费人力、物力。也许，有人会说：国内发行的这么多的农机专业性杂志 In the extension of agricultural machinery for a long time, will deeply feel the confusion caused by the information is not working: engage in promotion can not choose the best models; engage in research can not learn from the existing products, less detours, even more arrogant Is that a certain product has obviously been successful development of the unit, but they still have to start from scratch, a waste of manpower and material resources. Maybe some people would say that there are so many specialized agricultural machinery magazines in China